Search a number
-
+
12631324747 is a prime number
BaseRepresentation
bin10111100001110001…
…01011100001001011
31012121022001210002111
423300320223201023
5201332104342442
65445221043151
7625005326446
oct136070534113
935538053074
1012631324747
1153a2065268
1225462564b7
131263baa372
1487b7da65d
154dddc9b17
hex2f0e2b84b

12631324747 has 2 divisors, whose sum is σ = 12631324748. Its totient is φ = 12631324746.

The previous prime is 12631324663. The next prime is 12631324757. The reversal of 12631324747 is 74742313621.

12631324747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12631324747 - 27 = 12631324619 is a prime.

It is a super-2 number, since 2×126313247472 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12631324757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6315662373 + 6315662374.

It is an arithmetic number, because the mean of its divisors is an integer number (6315662374).

Almost surely, 212631324747 is an apocalyptic number.

12631324747 is a deficient number, since it is larger than the sum of its proper divisors (1).

12631324747 is an equidigital number, since it uses as much as digits as its factorization.

12631324747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 40.

The spelling of 12631324747 in words is "twelve billion, six hundred thirty-one million, three hundred twenty-four thousand, seven hundred forty-seven".